Comments

This patch add support for keeping an additional character alias associated with
an network interface. This is useful for maintaining the SNMP ifAlias value
which is a user defined value. Routers use this to hold information like which
circuit or line it is connected to. It is just an arbitrary text label
on the network device.
There are two exposed interfaces with this patch, the value can be read/written
either via netlink or sysfs.
This could be maintained just by the snmp daemon, but it is more generally
useful for other management tools, and the kernel is good place to act as
an agreed upon interface to store it.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
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Note: this is not IP alias which is something completely different.
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